diff --git a/lib/core/common.py b/lib/core/common.py
index 17980c481..577d6f44d 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -140,6 +140,7 @@ from lib.core.settings import IS_WIN
 from lib.core.settings import LARGE_OUTPUT_THRESHOLD
 from lib.core.settings import LOCALHOST
 from lib.core.settings import MIN_ENCODED_LEN_CHECK
+from lib.core.settings import MIN_ERROR_PARSING_NON_WRITING_RATIO
 from lib.core.settings import MIN_TIME_RESPONSES
 from lib.core.settings import MIN_VALID_DELAYED_RESPONSE
 from lib.core.settings import NETSCAPE_FORMAT_HEADER_COOKIES
@@ -2659,7 +2660,7 @@ def extractErrorMessage(page):
 
             if match:
                 candidate = htmlUnescape(match.group("result")).replace("<br>", "\n").strip()
-                if re.search(r"\b([a-z]+ ){5}", candidate) is not None:  # check for legitimate (e.g. Warning:...) text
+                if (1.0 * len(re.findall(r"[^A-Za-z,. ]", candidate))) / len(candidate) > MIN_ERROR_PARSING_NON_WRITING_RATIO:
                     retVal = candidate
                     break
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 22b7e19fd..19ad3316a 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.6.23"
+VERSION = "1.3.6.24"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
@@ -542,6 +542,9 @@ SHELLCODEEXEC_RANDOM_STRING_MARKER = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 # Period after last-update to start nagging about the old revision
 LAST_UPDATE_NAGGING_DAYS = 60
 
+# Minimum non-writing chars (e.g. ['"-:/]) ratio in case of parsed error messages
+MIN_ERROR_PARSING_NON_WRITING_RATIO = 0.05
+
 # Generic address for checking the Internet connection while using switch --check-internet
 CHECK_INTERNET_ADDRESS = "https://ipinfo.io/"